At the molecular level, gas hydrate consists of gas molecules surrounded by cages of water molecules. Each water cage encloses a space of a particular size, and only a gas molecule small enough to fit within this site can be hosted in that specific hydrate structure.t the molecular level, gas hydrate consists of gas molecules surrounded by cages of water molecules. Each water cage encloses a space of a particular size, and only a gas molecule small enough to fit within this site can be hosted in that specific hydrate structure.
Frederick County is a county located in the northern part of the U.S. state of Maryland. As of the 2010 U.S. Census, the population was 240,336. The county seat is Frederick. Frederick County is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area.
Prince George's County, Maryland. The Prince George's County courthouse in 2008, the Boulevard at the Capital Centre in 2005, downtown Upper Marlboro in 2006, the Prince George's Plaza metro station in 2004, Laurel's Patuxent Square in 2013, Andrews AFB in 2008, downtown Adelphi in 2008.